« previous next »

Author Question: About 200 thousand years ago, early hominins were gradually replaced in the African fossil record by ... (Read 106 times)

Brittanyd9008

  • Hero Member
  • *****
  • Posts: 500
on: Jun 22, 2018
About 200 thousand years ago, early hominins were gradually replaced in the African fossil record by
 
  A) old-world monkeys.
  B) accountants.
  C) modern humans.
  D) primates.
  E) Australopithecus.

Question 2

Sudden evolutionary changes are often triggered by
 
  A) selective breeding.
  B) fossilization.
  C) paleontologists.
  D) brains.
  E) sudden changes in the environment.


jessicaduplan

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Skin of an African (left) and Asian (right) elephant. Skin of an African (left) and Asian (right) elephant.
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Growth of the body and brain is dramatic over the first 2 years. Growth of the body and brain is dramatic over the first 2 years.
Early-maturing boys tend to be advantaged because they often fit cultural ideals of masculinity. Early-maturing boys tend to be advantaged because they often fit cultural ideals of masculinity.
Extinction and extirpation per years Extinction and extirpation per years
Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth
Video: Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library